5+ YEARS Your gateway to Mirissa's marine wonders

Swim With Wild Sea Turtles in Mirissa

Professional guides and a 100% turtle guarantee. Snorkel, dive, cruise and fish through the warm waters of Sri Lanka's south coast — an experience you'll never forget.

5+Years Experience
100%Turtle Guarantee
5.0 ★5-Star Rated
Scroll
100% Turtle Guarantee
Eco-Friendly Practices
Professional Guides
Safety First
Reasonable Pricing
About Our Tours

Mirissa’s Premier Sea Turtle & Marine Adventure Team

Passionate local guides, ethical wildlife encounters, and unforgettable memories along Sri Lanka's south coast.

Guide with guests snorkeling with sea turtles in Mirissa
5+
Years guiding guests through Mirissa's marine world

Located on Athkam Niwasa Road in Mirissa, Mirissa Snorkeling Activities Tours is led by passionate local ocean guide Tharusha Shamal and a certified team of maritime guides. For over 5 years, we’ve provided travelers with authentic, safe, and ethical turtle encounters along Sri Lanka's south coast.

Whether you are an experienced swimmer or a first-time snorkeler, our small-group tours guarantee personal attention in the water. We provide premium sanitized snorkeling gear, comfortable buoyancy life jackets, and free HD/4K GoPro underwater photography & videos so your memories are captured forever.

  • 100% Wild Turtle Guarantee
  • Free GoPro 4K Photos & Videos
  • Beginner & Non-Swimmer Friendly
  • Small & Private Group Sizes
  • Complete Sanitized Gear & Jackets
  • Ethical, Eco-Friendly Encounters
What We Offer

Tours & Experiences

Six ways to experience the marine wonders of Mirissa, from gentle turtle snorkels to deep-sea fishing charters.

01 2 Hours Turtle Snorkeling Tour in Mirissa

Turtle Snorkeling Tours

Experience the thrill of swimming alongside majestic sea turtles in their natural habitat off Mirissa beach with vibrant coral reefs and tropical fish.

  • 100% Wild Turtle Guarantee
  • Free 4K GoPro Photos & Videos
  • Beginner & Non-Swimmer Friendly
02 2 Hours Night Snorkeling Tour in Mirissa

Night Snorkeling Tours

Discover a whole new world beneath the waves as the sun sets and glowing bioluminescent plankton illuminate nocturnal marine life.

  • Bioluminescent Plankton Glow
  • Underwater Torches & Gear
  • Expert Night Guide Escort
03 3 Hours Boat Tour along the Mirissa coast

Coastal Boat Tours

Cruise along the scenic coastline, take in breathtaking panoramic views, and discover hidden coves with our knowledgeable local crew.

  • Scenic Coastal Cruise
  • Marine Life & Sightseeing
  • Ideal for Families & Groups
04 45 Min Deep Diving among coral reefs in Mirissa

Deep Diving Tours

Take the plunge into a world of wonders with certified instructors guiding you through vibrant deep reef ecosystems and exotic fish.

  • Vibrant Deep Reef Formations
  • Certified Professional Instructor
  • Beginners & Certified Divers
05 4 Hours Deep Sea Fishing charter in Mirissa

Deep Sea Fishing

Head offshore into the deep Indian Ocean targeting big-game catches like marlin, yellowfin tuna, and sailfish with experienced fishermen.

  • Target Marlin, Tuna & Sailfish
  • Heavy Tackle, Rods & Baits
  • Seasoned & First-Time Anglers
06 3 Hours Low Deep Fishing coastal experience

Low Deep Fishing

A relaxed coastal fishing trip in calm nearshore waters, perfect for catching diverse local reef fish in an enjoyable environment.

  • Calm Nearshore Coastal Waters
  • Complete Tackle & Bait Included
  • Perfect for Beginners & Families
Why Choose Us

Sri Lanka's Most Trusted Turtle Tours

Eight reasons travellers keep choosing Mirissa Snorkeling Activities Tours for their marine adventure.

Expert Guidance

Experienced local guides who know exactly where the turtles feed and rest.

Safety Prioritized

Full safety briefings and equipment on every single tour, no exceptions.

100% Turtle Guarantee

We know the waters — you will see turtles, guaranteed.

Friendly Staff

A warm, welcoming crew that makes every guest feel at ease in the water.

Reasonable Pricing

Premium experiences without the premium price tag.

Extended Durations

Unhurried tours that give you real time in the water with marine life.

Small Groups

Never a crowd — small groups mean more personal attention and calmer water.

Eco-Friendly

Responsible, low-impact practices that protect the turtles and their reef home.

Video Highlights

Watch Our Marine Adventures

Real footage from our daily turtle encounters, boat trips, and snorkeling tours in Mirissa.

Swimming with Giant Sea Turtles in Mirissa
Turtle Snorkeling

Swimming With Wild Sea Turtles

Get up close with giant sea turtles gliding gracefully in the clear shallow waters off Mirissa beach.

Watch on YouTube
Mirissa Snorkeling and Underwater Marine Life
Marine Wonders

Crystal Waters & Coral Life

Experience the rich marine biodiversity and colorful reef ecosystems guided by our local team.

Watch on YouTube
Turtle Feeding Experience in Mirissa
Feeding Experience

Close Encounters & Turtle Feeding

An eco-friendly, unforgettable moment feeding and swimming alongside friendly marine turtles.

Watch on YouTube
Mirissa Coast & Marine Tour Highlights
Ocean Safari

Coastal Adventure & Group Tours

Pure fun and excitement on the water with small groups, top gear, and personal attention.

Watch on YouTube
Watch More on YouTube

"Unbelievable experience! Tharusha and the crew were super helpful, friendly, and patient. We saw 4 giant wild sea turtles and swam alongside them for over 40 minutes. Free 4K GoPro underwater photos and videos were sent straight to our WhatsApp right after. 10/10 recommended in Mirissa!"

SB
Sophie BeckerMunich, Germany · via Google Maps

"Hands down the highlight of our entire trip to Sri Lanka! As beginner swimmers, our guide held a life vest and swam with us the whole time, making us feel completely relaxed. We had genuine up-close encounters with wild turtles. Ethical, safe, and professional!"

LH
Liam & Charlotte HughesLondon, UK · via Google Maps

"Best snorkeling tour in Mirissa by far! Top quality masks, sanitized snorkels, and life jackets. We spotted multiple sea turtles, colorful tropical fish, and rays. Exceptional value, friendly local hospitality, and crystal clear morning water."

MR
Marco RossiMilan, Italy · via Google Maps

"We took the 7:00 AM morning tour and it was pure magic. We were the first in the water, had 3 giant green turtles feeding on the seagrass right below us. Tharusha captured incredible high-res GoPro shots of us underwater at no extra charge!"

JT
Jessica & David TaylorSydney, Australia · via Google Maps

"Extraordinaire! Very respectful of the marine life — they make sure people do not touch or scare the turtles. We felt very well looked after. The equipment was clean and modern. A must-do activity when visiting south coast Sri Lanka."

AD
Antoine & Camille DuboisParis, France · via Google Maps

"Phenomenal experience. The guides are true ocean experts who know exactly where the turtles graze. Clear instructions, safe environment for our kids, and unforgettable memories. Thank you Tharusha for an awesome morning!"

LM
Lukas & Nina MeierZurich, Switzerland · via Google Maps

"Such an honest and passionate local team. They picked us up right on time, explained the safety guidelines, and helped us spot turtles within five minutes of swimming out. The photos they sent were super high quality."

EJ
Elena & Alex JansenAmsterdam, Netherlands · via Google Maps

"Una experiencia increíble! We saw huge turtles grazing peacefully and even a school of needlefish. The staff is warm, friendly, and gave us plenty of time in the water without rushing. Best price-to-quality tour in Mirissa."

CH
Carlos & Maria HernandezMadrid, Spain · via Google Maps

"Top tier service! From fast WhatsApp communication to our guide holding our hand in the deeper water when waves picked up. We swam with wild turtles twice during the 2-hour tour. Everything was transparent, safe, and perfectly organized."

SB
Sarah & Michael BrownVancouver, Canada · via Google Maps

"I was nervous about open-water snorkeling, but our guide was so reassuring and attentive. Seeing these magnificent sea creatures in their natural wild habitat was breathtaking. Do not hesitate to book with Mirissa Snorkeling Activities Tours!"

EM
Emily & Daniel MillerCalifornia, USA · via Google Maps

Ready to Meet the Turtles of Mirissa?

Spaces are limited to keep groups small — reach out today and we'll help you pick the perfect tour.

Call +94 72 463 9057 WhatsApp Us
Get In Touch

Plan Your Mirissa Adventure

Call, WhatsApp or email us to check availability — we typically reply within the hour.

Fill Out Booking Form

Tour Times

Daily tours by appointment — message us to check today's availability.

Chat & Book on WhatsApp